java - JUnit confusion: use 'extends TestCase' or '@Test'? - Stack Overflow

java - JUnit confusion: use 'extends TestCase' or '@Test'? - Stack Overflow

• extending TestCase is the way unit tests were written in JUnit 3 (of course it's still supported in JUnit 4)
• using the @Test annotation is the way introduced by JUnit 4

Generally you should choose the annotation path, unless compatibility with JUnit 3 (and/or a Java version earlier than Java 5) is needed. The new way has several advantages:

• The @Test annotaton is more explicit and is easier to support in tools (for example it's easy to search for all tests this way)
• Multiple methods can be annotated with @Before/@BeforeClass and @After/@AfterClass providing more flexibility
• Support for @Rule annotations on things like ExpectedException
• Support for the @Ignored annotation
• Support for alternative test runners using @RunWith

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